* Odemwingie sinks Chelsea * Tevez and Aguero inspire Man City * Adebayor off in north London derby (Adds detail) LONDON, Nov 17 (Reuters) - West Bromwich Albion proved they are a legitimate Premier League force by beating European champions Chelsea 2-1 on Saturday as Manchester City crushed Aston Villa 5-0 to go top of the table for the first time this season. Peter Odemwingie scored West Brom's winner after 50 minutes at the Hawthorns, sending the home side into fourth place and ruining the return of former Baggies manager Roberto Di Matteo. ...